[eog-plugins] map: Perform simple validation on extracted coordinates

[Felix Riemann <friemann src gnome org>]

commit 74bdd4aa13b8f64459ef4f3004ddf27acbb510e6
Author: Felix Riemann <friemann gnome org>
Date:   Wed Sep 3 19:45:48 2014 +0200

    map: Perform simple validation on extracted coordinates
    
    Simply check whether the angles make sense. That should avoid hitting
    an assertion in libchamplain with images having bogus values.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=735914

 plugins/map/eog-map-plugin.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/plugins/map/eog-map-plugin.c b/plugins/map/eog-map-plugin.c
index d00ff97..0bfe9a4 100644
--- a/plugins/map/eog-map-plugin.c
+++ b/plugins/map/eog-map-plugin.c
@@ -134,7 +134,8 @@ get_coordinates (EogImage *image,
                entry = exif_data_get_entry (exif_data,
                                             EXIF_TAG_GPS_LONGITUDE);
 
-               if (!parse_exif_gps_coordinate (entry, &lon, byte_order)) {
+               if (!parse_exif_gps_coordinate (entry, &lon, byte_order)
+                   || (lon > 180.0)) {
                        exif_data_unref (exif_data);
                        return FALSE;
                }
@@ -150,7 +151,8 @@ get_coordinates (EogImage *image,
                entry = exif_data_get_entry (exif_data,
                                             EXIF_TAG_GPS_LATITUDE);
 
-               if (!parse_exif_gps_coordinate (entry, &lat, byte_order)) {
+               if (!parse_exif_gps_coordinate (entry, &lat, byte_order)
+                   || (lat > 90.0)) {
                        exif_data_unref (exif_data);
                        return FALSE;
                }